BS-EN-574-1996-A1-2008.pdf
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1、BRITISH STANDARD BS EN 574:1996 +A1:2008 Safety of machinery Two-hand control devices Functional aspects Principles for design ICS 13.110 ? BS EN 574:1996+A1:2008 This British Standard was published under the authority of the Standards Board and comes into effect on 15 March 1997 BSI 2009 ISBN 978 0
2、 580 60964 0 National foreword This British Standard is the UK implementation of EN 574:1996+A1:2008. It supersedes BS EN 574:1996, which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the numb
3、er of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !“. The UK participation in its preparation was entrusted to Technical Committee MCE/3, Safeguarding of machinery. A list of organizations represented on this committee can be obtained on request to its secretary.
4、 This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments 28 February 2009I
5、mplementation of CEN amendment A1:2008 and alignment of BSI and CEN publication dates EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 574:1996+A1 June 2008 ICS 13.110 Supersedes EN 574:1996 English Version Safety of machinery - Two-hand control devices - Functional aspects - Principles for desi
6、gn Scurit des machines - Dispositifs de commande bimanuelle - Aspects fonctionnels - Principes de conception Sicherheit von Maschinen - Zweihandschaltungen - Funktionelle Aspekte - Gestaltungsleitstze This European Standard was approved by CEN on 20 November 1996 and includes Amendment 1 approved by
7、 CEN on 18 May 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards
8、 may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to th
9、e CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nethe
10、rlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitatio
11、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 574:1996+A1:2008: E EN 574:1996+A1:2008 (E) 2 Contents Page Foreword3 Introduction.4 1 Scope 4 2 Normative references5 3 Definitions 5 4 Types of two-hand control devices and their selection 7 5 Characteristics o
12、f safety functions9 6 Requirements related to categories of control.10 7 Use of programmable electronic systems 11 8 Prevention of accidental actuation and of defeat.12 9 General requirements14 10 Verification .16 11 Marking.20 12 Information for installation, use and maintenance 21 Annex A (normati
13、ve) Measurement tests for the prevention of defeat23 Annex B (informative) Use of categories (according to EN 954-1:1996) in types of two-hand control devices.28 Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC“.29 Annex ZB (
14、informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC“.30 Bibliography31 BS EN 574:1996+A1:2008 EN 574:1996+A1:2008 (E) 3 Foreword This document (EN 574:1996+A1:2008) has been prepared by Technical Committee CEN/TC 114 “Safety of machiner
15、y”, the Secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2008, and conflicting national standards shall be withdrawn at the latest by December 2008. Th
16、is document includes Amendment 1, approved by CEN on 2008-05-18. This document supersedes EN 574:1996. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. This document has been prepared under a mandate given to CEN by the European Commission and the
17、 European Free Trade Association, and supports essential requirements of EU Directive(s). !For relationship with EU Directive(s), see informative Annexes ZA and ZB, which are integral parts of this document.“ This standard is a type B standard in the structure of A-/B-/C-standards as defined in EN 2
18、92. Annex A of this standard is normative, whereas annexes B and C are informative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, De
19、nmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 574:1996+A1:2008 EN 574:1996+A1:2008 (E) 4 Introduction T
20、his standard has been prepared to be a type B standard in the sense of the Machinery Directive (89/392/EWG) and associated EFTA regulations. A two-hand control device is a safety device (safety component). It provides a measure of protection for the operator against reaching danger zones during haza
21、rdous situations by locating the control actuating devices in a specific position. For hand held machinery it should be taken into consideration that the danger zone is not stationary. The selection of a two-hand control device as an appropriate safety device will depend upon the risk assessment mad
22、e by designers, standard makers and others in accordance with EN 292-1 and EN 1050. The definition of a two-hand control device is given in 3.1 and takes precedence over the definition in 3.23.4 of EN 292-1:1991. In some arrangements enabling devices (see 3.23.2 of EN 292-1:1991) and/or hold-to-run
23、devices (see 3.23.3 of EN 292-1:1991) may comply with the definition of a two-hand control device in this standard. Additionally, some special control devices - such as teach pendants for robots and some crane controls require the use of two hands and can comply with the definition a two-hand contro
24、l device in this standard. 1 Scope This standard specifies the safety requirements of a two-hand control device and its logic unit as defined in 3.1. This standard describes the main characteristics of two-hand control devices for the achievement of safety and sets out combinations of functional cha
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